OpenTechnical

OT-2026-000046021

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000046021) never changes.

Identity and time

Publication numberOT-2026-000046021 · never reused
Internal UUID01a0ae7e-0329-7888-933b-0f0c5c989c6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046021
StatusPUBLIC

Content hashes

Canonical text3807a2282c6144f7fe60ba2f259874f14c68481842dbc6ebf7a9c236416b7dd8
Markdown8320db836999badefeb31bd75d913a005776374554eb6444da4148808c87a328
PDF
Publication paged2054d0c0111bc0e1e07fac5ac7f61073ccb54fbe22177ea07a429fe999c388c
Manifest611e0dcb3564a12bb346f7ed0889b9a890b19efa7d8a0577dbd208a2e1c8a68e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturemT2App6uUQQ7FsaV9yN4sm/Wwd6SNOkch7MX2XzCx3/iwLRCa1gTHoI9OzQ0vThA1vR8wCmNZk75eTlEKINSCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:08:58.050310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046021
observed d2054d0c0111bc0e1e07fac5ac7f6107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.031883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046021/manifest.json
observed 611e0dcb3564a12bb346f7ed0889b9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.011953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046021/publication.md
observed 8320db836999badefeb31bd75d913a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.992682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046021/publication.txt
observed 3807a2282c6144f7fe60ba2f259874f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.